/Engine/Source/Runtime/SignalProcessing/Public/DSP/AudioChannelFormatConverter.h
FBaseChannelFormatConverter ( const [FInputFormat](API\Runtime\SignalProcessing\DSP\IChannelFormatConverter\FInputFormat) & InInputFormat, const [FOutputFormat](API\Runtime\SignalProcessing\DSP\IChannelFormatConverter\FOutputFormat) & InOutputFormat, [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FChannelMixEntry](API\Runtime\SignalProcessing\DSP\FBaseChannelFormatConverter\FChannelMixEntry) > InMixEntries, int32 InNumFramesPerCall )